Water, Wind and Ice

weathering vs. erosion:

http://www.learner.org/interactives/rockcycle/change3.html

http://ees.as.uky.edu/sites/default/files/elearning/module07swf.swf

http://science.nationalgeographic.com/science/earth/the-dynamic-earth/weathering-erosion-article/


http://schoolmediainteractive.com/view/object/clip/6EF46CAA2D38E0EABB11A57BAFFB1753









Glaciers:

http://www.edu.pe.ca/southernkings/glacierjf.htm








http://en.wikipedia.org/wiki/Glacier